package com.ban.springcloud.service.impl;

import com.ban.springcloud.service.IMessageProvider;
import org.springframework.integration.support.MessageBuilder;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.cloud.stream.annotation.EnableBinding;
import org.springframework.cloud.stream.messaging.Source;
import org.springframework.messaging.MessageChannel;

import java.util.UUID;

/**
 * @author Ban
 * @version 1.0
 * Create by 2022/1/19 09:51
 * @EnableBinding 定义消息的推送管道
 * MessageChannel 消息发送管道
 */

@EnableBinding(Source.class)
public class MessageProviderImpl implements IMessageProvider {
    @Autowired
    private MessageChannel output;

    @Override
    public String send() {
        String serial = UUID.randomUUID().toString();
        output.send(MessageBuilder.withPayload(serial).build());
        System.out.println("****serial:"+serial);
        return null;
    }
}
